The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More

For decades before it was selected for closure, the Treasure Island Naval Station in San Francisco Bay overhauled military ships and housed nuclear war academies that used radium, plutonium, and cesium 137 in their training courses. The Navy knew for years that those materials were not always in safe hands. But it did not acknowledge that history publicly, and as a result, workers preparing for civilian redevelopment may have inadvertently spread radioactive material around the island, The Center for Investigative Reporting (CIR) has found in a yearlong investigation co-published by the Bulletin of the Atomic Scientists.

Something unfortunate has happened here. I liked and agreed with both of my colleagues' first-round essays (Roger Pielke on the importance of fairness and honesty; Robert Socolow on science not being "just another point of view").

Despite the availability of antiviral medications and intensive care units, mortality rates for the 385 humans infected with avian influenza remain high. Virtually all of the victims have been from developing countries, with the case fatality rate in children younger than 15 years of age reaching almost 90 percent.